Crest 3D White Whitestrips Light + 1 Hour Whitestrips (28 strips)

Crest 3D White Whitestrips Light + 1 Hour Whitestrips (28 strips). Crest's best and fastest whitening technology at home. When used as directed, Crest Whitestrips with Light whiten dramatically better than strips alone

Crest 3D White's new, unique blue light system uses the same type of light technology dentists use. The blue light weakens stains so that the whitening ingredient can work more effectively. The result is dramatically better whitening compared to strips alone that lasts up to 36 months.